Air Circuit Breaker
Air circuit breakers are designed for reliable circuit protection in electrical power transmission and distribution systems. They feature robust construction, advanced tripping mechanisms, and a high breaking capacity to ensure safe and efficient operation.





Technical Specifications
Overview
DW45 Intelligent Air Circuit Breaker
The DW45 Intelligent Air Circuit Breaker (ACB) is an advanced solution for power distribution and circuit protection in 400V and 690V AC systems. Designed for reliability, it protects power-supply equipment from overload, under-voltage, short-circuits, and single-phase earthing. This breaker is ideal for power stations, industrial facilities, and modern high-rise buildings requiring intelligent distribution systems.
Technical Specifications
Number of Poles
- 3 Pole
- 4 Pole
Installation Types
- Rated Current Range
- 6300 A
- Rated Voltage
- 400V690V
- Short-circuit Breaking Capacity
- 80KA - 120KA
Operation & Control
Operation Types
- Manual operation
- Auto operation
Controller Categories
| Category | Description |
|---|---|
| L type | Basic type |
| M type | Standard type |
| H type | Communication type |
- Trip Mechanisms
- Intelligent controllerUnder voltage (instant/delay)Shunt trip



